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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 11 — Jun. 1, 2012
  • pp: 2067–2069

Novel phase-coding method for absolute phase retrieval

Yajun Wang and Song Zhang  »View Author Affiliations


Optics Letters, Vol. 37, Issue 11, pp. 2067-2069 (2012)
http://dx.doi.org/10.1364/OL.37.002067


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Abstract

This Letter presents a novel absolute phase recovery technique with phase coding. Unlike the conventional gray-coding method, the codeword is embedded into the phase and then used to determine the fringe order for absolute phase retrieval. This technique is robust because it uses phase instead of intensity to determine codewords, and it could achieve a faster measurement speed, since three additional images can represent more than 8(23) unique codewords for phase unwrapping. Experimental results will be presented to verify the performance of the proposed technique.

© 2012 Optical Society of America

OCIS Codes
(100.5070) Image processing : Phase retrieval
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.2650) Instrumentation, measurement, and metrology : Fringe analysis

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: January 12, 2012
Revised Manuscript: March 6, 2012
Manuscript Accepted: March 20, 2012
Published: May 30, 2012

Citation
Yajun Wang and Song Zhang, "Novel phase-coding method for absolute phase retrieval," Opt. Lett. 37, 2067-2069 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-11-2067

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